I know about one company in Nürnberg (SCHEMA GmBH)that used ANSI Common Lisp as theirmain implementation language for a content management system. At least around 2000 they used Allegro Common Lisp. But I think due to shortage of staff with LISP skills, they eventually moved to C++ (and the usual other reasons of course).

I know that because at that time I applied at that company precisely because they searched Lisp skills. They would have hired me, but instead I chose another job offer.(Still not sure if that was a good idea...)